The 6:30 PM concert, to be held at the OC Pavilion, will serve as a benefit for the Alzheimer's Association and the Capistrano Center for the Performing Arts. Pal Joey star Matthew Risch and Legally Blonde cast member Paul Canaan will host.

In addition to Foster (Shrek, Thoroughly Modern Millie), Butler (Xanadu, Hairspray) and Pascal (Rent, Aida), the concert will feature Anthony Rapp (Rent) and Stephen Tewksbury (Phantom of the Opera).

Tickets, ranging $50-$1,250, are available at BroadwayMemories. The OC Pavilion is located at 801 N. Main Street in Santa Ana, CA.